Speaker tower



FIG. 1 is a perspective top view of a speaker tower, showing the new design;

FIG. 2 is an elevation rear view of the design of FIG. 1;

FIG. 3 is an elevation front view of the design of FIG. 1;

FIG. 4 is an elevation right side view of the design of FIG. 1;

FIG. 5 is an elevation left side view of the design of FIG. 1;

FIG. 6 is a plan top view of the design of FIG. 1; and,

FIG. 7 is a plan bottom view of the design of FIG. 1.

The broken lines shown are included for the purpose of illustrating the unclaimed portions of the article and form no part of the claim. 

The ornamental design for a speaker tower, as shown and described. 